sWiFi-R7601MU2 is a highly integrated Wi-Fi single chip which supports 150Mbps PHY rate. It meets FCC CE certification and IEEE802.11b/g/n standards, offering feature-rich wireless connectivity at high standards, and delivering reliable, cost-effective through put from an extended distance. Optimized RF architecture and baseband aigorithms provide superb performance and lower power consumption. Intekkigent MAC design deploys high efficient DMA engine and hardware data processing accelerators which offloads the host processor.
sWiFi-R7601MU2 is deisgned to support standard based features in the areas of security quality of service and international regulations, giving end users the greatest performance anytime and in any circumstance.

Interface

Mechanical Dimensions

Block Diagram

Refenrence Download

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Reference Application Schematic

Note 1: The power supply section

the operating voltage for the module is DC 3.3V, DC power supply must be DC-to-DC power IC (recommended power supply IC: QX3406AL/Power IC G5728/Power IC LP3204AADB5F package SOT23-5) with particular reference to the schematic!

Not recommended to use zener diode, transistor, LDO and other, such 1117-3.3 series regulator IC, because the WIFI network need dfferent current when transmit different size data.

DCtoDC best output of the power inductor current amount can reach more than 300mA is recommended (SMD power inductors laminated 0805 MCL2012S2R2MT Sunlord Sunlord), (WIFI current is 95 ~ 140mA when operating) current is too small will lead to instability.

Note 2: The antenna section

this section needs to be done in a single line impedance 50R;

layout alignment: go straight or curved lines, traces as short as possible, preferably not more than 10MM

R1 conventional position posted 0 R resistance, C1 C2 do not stick (C1 C2 R1 as an antenna matching circuit), this section as close as possible WIFI module, which distances can not exceed 10MM

Recommended Operating Conditions

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sWiFi-R7601MU2 WiFi Module

Chipset: MTK MT7601UN chips

Interface: USB2.0 Interface

Dimensions: 13.0 x 12.3 x 1.6 mm

$2.6USD

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